wlantest: Parse KDEs from message 2/4
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c09caa5882
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1 changed files with 33 additions and 1 deletions
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@ -165,7 +165,9 @@ static void rx_data_eapol_key_2_of_4(struct wlantest *wt, const u8 *dst,
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struct wlantest_sta *sta;
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const struct ieee802_1x_hdr *eapol;
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const struct wpa_eapol_key *hdr;
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u16 key_info;
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const u8 *key_data;
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u16 key_info, key_data_len;
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struct wpa_eapol_ie_parse ie;
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wpa_printf(MSG_DEBUG, "EAPOL-Key 2/4 " MACSTR " -> " MACSTR,
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MAC2STR(src), MAC2STR(dst));
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@ -180,7 +182,37 @@ static void rx_data_eapol_key_2_of_4(struct wlantest *wt, const u8 *dst,
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hdr = (const struct wpa_eapol_key *) (eapol + 1);
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os_memcpy(sta->snonce, hdr->key_nonce, WPA_NONCE_LEN);
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key_info = WPA_GET_BE16(hdr->key_info);
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key_data_len = WPA_GET_BE16(hdr->key_data_length);
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derive_ptk(wt, bss, sta, key_info & WPA_KEY_INFO_TYPE_MASK, data, len);
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if (!sta->ptk_set) {
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wpa_printf(MSG_DEBUG, "No PTK known to process EAPOL-Key 2/4");
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return;
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}
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if (check_mic(sta->ptk.kck, key_info & WPA_KEY_INFO_TYPE_MASK,
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data, len) < 0) {
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wpa_printf(MSG_INFO, "Mismatch in EAPOL-Key 2/4 MIC");
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return;
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}
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wpa_printf(MSG_DEBUG, "Valid MIC found in EAPOL-Key 2/4");
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key_data = (const u8 *) (hdr + 1);
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if (wpa_supplicant_parse_ies(key_data, key_data_len, &ie) < 0) {
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wpa_printf(MSG_INFO, "Failed to parse EAPOL-Key Key Data");
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return;
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}
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if (ie.wpa_ie) {
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wpa_hexdump(MSG_MSGDUMP, "EAPOL-Key Key Data - WPA IE",
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ie.wpa_ie, ie.wpa_ie_len);
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}
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if (ie.rsn_ie) {
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wpa_hexdump(MSG_MSGDUMP, "EAPOL-Key Key Data - RSN IE",
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ie.rsn_ie, ie.rsn_ie_len);
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}
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}
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